To make this Easy Classic Shepherd's Pie gluten-free. Simply swap out the all-purpose flour. For a gluten-free flour blend. Ensure that all other ingredients, like the Heinz Worcestershire Sauce and any mixed vegetables. Are certified gluten-free. This way, you can enjoy the same delicious flavors. Without worrying about gluten. This adaptation maintains the comforting. And hearty nature of the dish. While making it accessible. For those with gluten sensitivities.